525214274857 has 4 divisors (see below), whose sum is σ = 528992794960. Its totient is φ = 521435754756.

The previous prime is 525214274803. The next prime is 525214274861. The reversal of 525214274857 is 758472412525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525214274857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525214274867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1889259843 + ... + 1889260120.

It is an arithmetic number, because the mean of its divisors is an integer number (132248198740).

Almost surely, 2^525214274857 is an apocalyptic number.

It is an amenable number.

525214274857 is a deficient number, since it is larger than the sum of its proper divisors (3778520103).

525214274857 is a wasteful number, since it uses less digits than its factorization.

525214274857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778520102.

The product of its digits is 6272000, while the sum is 52.

The spelling of 525214274857 in words is "five hundred twenty-five billion, two hundred fourteen million, two hundred seventy-four thousand, eight hundred fifty-seven".